TWM561925U - Four-hole type three-stacked antenna structure - Google Patents

Abstract

A four-hole three-stack antenna structure includes: a first antenna, a second antenna, and a third antenna. The first antenna has a first substrate, a first radiant metal layer, and a grounded metal layer. The second antenna has a second substrate and a second radiant metal layer, and the second substrate is stacked on the first substrate. The third antenna has a third base body and a third radiating metal layer, and the third base body is stacked on the second base body, and the at least one feed element passes through the third base body, the second base body and the first base body, and the third radiating metal layer Electrically coupled or electrically coupled or electrically coupled to the second and third radiating metal layers of the second and third substrates, the feed element is electrically connected to the grounded metal layer through the first substrate A single-hole or multiple signal feed can receive a four-hole three-stack antenna structure with different frequencies.

Description

Four-hole three-stack antenna structure

The present invention relates to an antenna, and more particularly to a four-hole three-stack antenna structure having the frequency of receiving different communication systems.

At present, the wireless communication system used in the market at least includes: a global navigation satellite system (GNSS), a dedicated short-range communication technology system (DSRC), a satellite digital audio service system (SDARS), and a long-term evolution technology system (LTE). ), a wireless network system (WLAN/BT), etc. Moreover, the global navigation satellite system includes global, regional and enhanced, such as Global Positioning System (GPS), GLONASS is the GLOBAL NAVIGATION SATELLITE SYSTEM in Russian. Abbreviations, Galileo positioning system (Galileo), Beidou satellite navigation system, and related augmentation systems such as WAAS (Wide Area Augmentation System), EGNOS (European Static Navigation Overlay System) and MSAS (Multifunctional Transportation Satellite Augmentation System) Wireless communication system. In these wireless communication systems, each wireless communication system has a matching receiving antenna to receive signals.

In recent years, with the continuous advancement of technology, the above various wireless communication systems are integrated into an electronic device (such as a driving computer of a car), so that the electronic device can be started without redesigning regardless of marketing to the world. use. Since the electronic device integrates a plurality of wireless communication systems, relatively many antennas are required on the circuit board of the electronic device to receive signals of various wireless communication systems.

Although such an integrated design makes the electronic device less restricted by the place of use and the area, the electronic device has a plurality of antennas integrated on the circuit board, and each antenna has a specific size, and the dispersed positions are not located. The same and occupying space will lead to an increase in the area of the circuit board, and also make the outer casing or space mounted on the circuit board relatively large, thus causing integration difficulties.

Therefore, the main purpose of this creation is to solve the traditional lack. The present invention aims to provide a three-layer stacked antenna structure by stacking three antennas, which can receive signals of various wireless communication systems, and after stacking. The three-stack antenna can be easily integrated with electronic devices, making the integrated design simpler and without causing the board area to become larger.

For the above purposes, the present invention provides a four-hole three-stack antenna structure including: a first antenna, a second antenna, and a third antenna. The first antenna has a first base body, and the surface of the first base has a first radiating metal layer, the bottom surface has a grounding metal layer, and the first base has a first through hole and a second through hole. a third through hole and a fourth through hole, the first through hole, the second through hole, the third through hole and the fourth through hole penetrating the first base, the first radiating metal layer and the ground Metal layer. The second antenna has a second substrate disposed on a surface of the first radiating metal layer of the first substrate; and a second radiating metal layer on the surface of the second substrate. a second through hole, a sixth through hole and a seventh through hole extending through the second base and the second radiating metal layer, the fifth through hole, the sixth through hole and the second base The seventh through holes respectively correspond to the second through holes, the third through holes and the fourth through holes of the first substrate. The third antenna has a third base body disposed on a surface of the second radiating metal layer of the second base; and a third radiating metal layer on the surface of the third base. An eighth through hole penetrating the third base body and the third radiating metal layer is disposed on the third base body, the eighth through hole corresponding to the sixth through hole of the second base body and the third through hole of the first base body Further, the third antenna further includes a first feeding element, the first feeding element passing through the eighth through hole of the third base, the sixth through hole of the second base, and the first base The three through holes are outside the bottom surface of the first substrate. The first feeding element is electrically connected to the third radiating metal layer when the first feeding element passes through the eighth through hole, and forms with the second radiating metal layer when the first feeding element passes through the second through hole. The coupling connection forms a coupling connection with the first radiating metal layer on the first substrate when the first feeding element passes through the third through hole, when the first feeding element passes outside the first substrate bottom surface The grounding metal layer is electrically connected to form a single-fed, four-hole three-stack antenna structure.

For the above purposes, the present invention further provides a four-hole three-stack antenna structure, including: a first antenna, a second antenna, and a third antenna. The first antenna has a first base body, and the surface of the first base has a first radiating metal layer, the bottom surface has a grounding metal layer, and the first base has a first through hole and a second through hole. a third through hole and a fourth through hole, the first through hole, the second through hole, the third through hole and the fourth through hole penetrating the first base, the first radiating metal layer and the ground Metal layer. The second antenna has a second substrate disposed on a surface of the first radiating metal layer of the first substrate; and a second radiating metal layer on the surface of the second substrate. a second through hole, a sixth through hole and a seventh through hole extending through the second base and the second radiating metal layer, the fifth through hole, the sixth through hole and the second base The seventh through hole respectively corresponds to the second through hole, the third through hole and the fourth through hole of the first base; and the second antenna comprises a second feeding element, the second feeding element The second through hole is electrically connected to the second radiating metal layer and then passes through the second through hole of the first substrate. The third antenna has a third base body disposed on a surface of the second radiating metal layer of the second base; and a third radiating metal layer on the surface of the third base. An eighth through hole penetrating the third base body and the third radiating metal layer is disposed on the third base body, the eighth through hole corresponding to the sixth through hole of the second base body and the third through hole of the first base body Further, the third antenna further includes a first feeding element, the first feeding element passing through the eighth through hole of the third base, the sixth through hole of the second base, and the first base The three through holes are outside the bottom surface of the first substrate. The second feeding element is electrically connected to the second radiating metal layer through the fifth through hole of the second substrate, and then formed through the second through hole of the first substrate and the first radiating metal layer. Coupling, the first feeding element is electrically connected to the third radiating metal layer when passing through the eighth through hole, and forms with the second radiating metal layer when the first feeding element passes through the second through hole a coupling connection, when the first feeding element passes through the third through hole, forms a coupling connection with the first radiating metal layer on the first substrate, and the second feeding element and the first feeding element pass through The outer surface of the first substrate is not electrically connected to the ground metal layer to form a two-feed three-layer stacked antenna structure.

In order to achieve the above purpose, the present invention further provides a four-hole three-stack antenna structure, including: a first antenna, a second antenna, and a third antenna. The first antenna has a first base body, and the surface of the first base has a first radiating metal layer, the bottom surface has a grounding metal layer, and the first base has a first through hole and a second through hole. a third through hole and a fourth through hole, the first through hole, the second through hole, the third through hole and the fourth through hole penetrating the first base, the first radiating metal layer and the ground The first antenna includes a third feed element, and the third feed element is electrically connected to the first radiating metal layer through the fourth through hole. The second antenna has a second substrate disposed on a surface of the first radiating metal layer of the first substrate; and a second radiating metal layer on the surface of the second substrate. a second through hole, a sixth through hole and a seventh through hole extending through the second base and the second radiating metal layer, the fifth through hole, the sixth through hole and the second base The seventh through hole respectively corresponds to the second through hole, the third through hole and the fourth through hole of the first substrate; and the second antenna comprises a second feeding element, the second feeding element is worn The fifth through hole is electrically connected to the second radiating metal layer and then passes through the second through hole of the first substrate. The third antenna has a third base body disposed on a surface of the second radiating metal layer of the second base; and a third radiating metal layer on the surface of the third base. An eighth through hole penetrating the third base body and the third radiating metal layer is disposed on the third base body, the eighth through hole corresponding to the sixth through hole of the second base body and the third through hole of the first base body Further, the third antenna further includes a first feeding element, the first feeding element passing through the eighth through hole of the third base, the sixth through hole of the second base, and the first base The three through holes are outside the bottom surface of the first substrate. Wherein the third feeding element is electrically connected to the first radiating metal layer in a fourth through hole passing through the first base body, and the second feeding element is in the fifth through hole passing through the second base body and the first The second radiating metal layer is electrically connected, and the second through hole passing through the first substrate is coupled to the first radiating metal layer, and the first feeding element passes through the eighth through hole and the third radiation The metal layer is electrically connected to form a coupling connection with the second radiation metal layer when the first feeding element passes through the second substrate, and the first feeding element passes through the third through hole and the first The first radiant metal layer on the substrate forms a coupling connection, and the third feeding element, the second feeding element and the first feeding element are not electrically connected to the ground metal layer when the first feeding element passes outside the first substrate bottom surface To form a three-input four-hole three-stack antenna structure.

To achieve the above purpose, the present invention further provides a four-hole three-stack antenna structure, including: a first antenna, a second antenna, and a third antenna. The first antenna has a first base body, and the surface of the first base has a first radiating metal layer, the bottom surface has a grounding metal layer, and the first base has a first through hole and a second through hole. a third through hole and a fourth through hole, the first through hole, the second through hole, the third through hole and the fourth through hole penetrating the first base, the first radiating metal layer and the ground a metal layer; the first antenna includes two third feeding elements, and the two third feeding elements respectively pass through the fourth through hole and the first through hole is electrically connected to the first radiating metal layer . The second antenna has a second substrate disposed on a surface of the first radiating metal layer of the first substrate; and a second radiating metal layer on the surface of the second substrate. a second through hole, a sixth through hole and a seventh through hole extending through the second base and the second radiating metal layer, the fifth through hole, the sixth through hole and the second base The seventh through hole respectively corresponds to the second through hole, the third through hole and the fourth through hole of the first substrate; and the second antenna comprises a second feeding element, the second feeding element is worn The fifth through hole is electrically connected to the second radiating metal layer and then passes through the second through hole of the first substrate. The third antenna has a third substrate thereon, the third base system is disposed on a surface of the second radiating metal layer of the second substrate; and a third radiating metal layer is disposed on the surface of the third substrate The third substrate is provided with an eighth through hole penetrating the third base body and the third radiating metal layer, the eighth through hole corresponding to the sixth through hole of the second base body and the third through hole of the first base body The third antenna further includes a first feeding component, the first feeding component passing through the eighth through hole of the third substrate, the sixth through hole of the second substrate, and the first substrate The third through hole is outside the bottom surface of the first substrate. The second feeding element is electrically connected to the first radiating metal layer in the first through hole and the fourth through hole respectively passing through the first base body, and the second feeding element is passing through the second The fifth through hole of the base is electrically connected to the second radiating metal layer, and the second through hole of the first base is coupled to the first radiating metal layer, and the first feeding element passes through the first through hole. The eight-via hole is electrically connected to the third radiating metal layer, and the first feeding element is coupled to the second radiating metal layer when the first feeding element passes through the second substrate, and the first feeding element passes through the The third through hole is coupled to the first radiating metal layer on the first substrate, and the second feeding element, the second feeding element and the first feeding element are disposed outside the bottom surface of the first substrate The grounding metal layer is not electrically connected to form a four-input four-hole three-stack antenna structure.

In an embodiment of the present invention, the first feed element has a T shape, and the first feed element has a head that extends a rod.

In an embodiment of the present invention, the area of the second substrate is smaller than the area of the first radiant metal layer, and the first radiant metal layer is exposed when the second substrate is disposed on the surface of the first radiant metal layer. .

In an embodiment of the present invention, the area of the third substrate is smaller than the area of the second radiant metal layer, and the second radiant metal layer is exposed when the third substrate is disposed on the surface of the second radiant metal layer. .

In an embodiment of the present invention, the first substrate, the second substrate, and the third substrate are flat plate-shaped bodies or blocks made of a ceramic dielectric material.

The technical content and detailed description of this creation are now described as follows:

Referring to FIG. 1-4, the four-hole three-stack antenna structure of the first embodiment of the present invention is exploded, combined, looked up, and the back view of the first substrate. As shown in the figure: the four-hole three-stack antenna structure of the present invention comprises: a first antenna 1, a second antenna 2, and a third antenna 3. The first antenna 1, the second antenna 2, and the third antenna 3 are stacked in a nearly pyramid-shaped three-stack antenna 10 to form a four-hole three-stack antenna structure capable of receiving frequencies of different communication systems. .

The first antenna 1 has a first substrate 11 having a first radiant metal layer 12 on the surface thereof. The bottom surface has a grounding metal layer 13. The first substrate 11 has a first a through hole 14 , a second through hole 15 , a third through hole 16 and a fourth through hole 17 , the first through hole 14 , the second through hole 15 , the third through hole 16 and the fourth The through hole 17 penetrates the first base 11 , the first radiating metal layer 12 , and the grounded metal layer 13 . In the present drawing, the first substrate 11 is a flat plate-like body or a block body made of a ceramic dielectric material.

The second antenna 2 has a second substrate 21 disposed on a surface of the first radiating metal layer 11 of the first substrate 1. The area of the second substrate 21 is smaller than the second antenna 21 The area of the first radiating metal layer 12 is such that the first radiating metal layer 12 is exposed when the second substrate 21 is disposed on the surface of the first radiating metal layer 12. In addition, a second radiating metal layer 22 is disposed on the surface of the second substrate 21, and the second substrate 21 is provided with a fifth through hole 23 extending through the second substrate 21 and the second radiating metal layer 22. a sixth through hole 24 and a seventh through hole 25, the fifth through hole 23, the sixth through hole 24 and the seventh through hole 25 respectively corresponding to the second through hole 15 of the first base 11, the first a three-way hole 16 and the fourth through hole 17. In the present drawing, the second substrate 21 is a flat plate-like body or a block body made of a ceramic dielectric material.

The third antenna 3 has a third base 31 on the surface of the second radiating metal layer 22 disposed on the second base 21. The third base 31 has an area smaller than the third antenna 31. The area of the second radiant metal layer 22 is such that the second radiant metal layer 22 is exposed when the third substrate 31 is disposed on the surface of the second radiant metal layer 22. In addition, a third radiant metal layer 32 is disposed on the surface of the third substrate 31. The third substrate 31 is provided with an eighth through hole 33 extending through the third substrate 31 and the third radiant metal layer 32. The eighth through hole 33 corresponds to the sixth through hole 23 of the second base 21 and the third through hole 16 of the first base 11. Moreover, the third antenna 3 further includes a first feeding element 34 having a T shape. The first feeding element 34 has a head 341 extending from a rod 342. The rod body 342 passes through the eighth through hole 33 of the third base body 31, the sixth through hole 23 of the second base body 21, and the third through hole 16 of the first base body 11 to the bottom surface of the first base body 11. external. When the first feeding element 34 passes through the eighth through hole 33, it is electrically connected to the third radiating metal layer 32, and when the first feeding element 34 passes through the second substrate 21, the second radiation The metal layer 22 is coupled to form a coupling connection with the first radiating metal layer 12 on the first substrate 11 when the first feeding element 34 passes through the third through hole 16 , and the first feeding element 34 is coupled to the first feeding element 34 . When passing through the outside of the bottom surface of the first substrate 11, it is not electrically connected to the ground metal layer 13. In the present drawing, the third base body 31 is a flat plate-like body or a block body made of a ceramic dielectric material.

Referring to FIG. 5, a side cross-sectional view of a four-hole three-stack antenna structure of the first embodiment of the present invention is shown. As shown in the figure, after the first antenna 1, the second antenna 2, and the third antenna 3 of the present invention are sequentially stacked, the first feeding element 34 passes through the eighth through hole 33. And electrically connecting with the third radiant metal layer 32, and forming a coupling connection with the second radiant metal layer 22 when the first feeding element 34 passes through the second substrate 21, at the first feeding element 34. Passing through the third through hole 16 to form a coupling connection with the first radiating metal layer 12 on the first substrate 11, and when the first feeding element 34 passes outside the bottom surface of the first substrate 11, the grounding metal layer is not 13 electrically connected to form a three-stack antenna structure having a single feed element in a four-hole type (viewed from the bottom of the first antenna 1).

Please refer to FIG. 6 , which is a schematic diagram of the electrical connection of the four-hole three-stack antenna structure of the present invention and the circuit board of the electronic device. After the first antenna 1, the second antenna 2, and the third antenna 3 are stacked, the first feeding element 34 is electrically connected to the circuit board 20 of the electronic device, and the first day first radiating metal wire layer 12 of the first feed member 34 is formed, for example, the coupling link may receive GPS L5 / L2 signal frequency 1100MH _Z -1250MH _Z. The second radiating antenna 2 into the metal layer 22 and the first feed member 34 may receive a coupling link is formed, for example, GPS / GNSS / Beidou signal frequency 1500MH _Z -1650MH _Z. The third radiating metal layer 32 of the third antenna 3 is electrically connected to the first feeding element 34 to form, for example, a SDARS/WLAN signal frequency of 2300 MH _Z -2500 MH _Z .

Since the three stacked antennas 10 are electrically connected to the circuit board 20 of the electronic device, different wireless communication system frequencies can be received, and when used on the electronic device, the volume or area of the electronic device is not increased.

Please refer to FIG. 7 , which is a schematic exploded view of a four-hole three-stack antenna structure according to a second embodiment of the present invention. As shown, the second embodiment is substantially identical to the first embodiment in that a second feed element 26 is added, the second feed element 26 being fifth through the second substrate 21. The through hole 23 is electrically connected to the second radiating metal layer 22, and then penetrates through the second through hole 15 of the first substrate 11 to form a coupling connection with the first radiating metal layer 12 to form four having two feeding elements. The three-hole stacked antenna structure.

Please refer to FIG. 8 , which is a schematic exploded view of a four-hole three-stack antenna structure according to a third embodiment of the present invention. As shown, the third embodiment is substantially identical to the second embodiment in that a third feed element 18 is added, the third feed element 18 being fourth through the first substrate 1. The through hole 17 is electrically connected to the first radiating metal layer 12 to form a four-hole three-stack antenna structure having three feeding elements.

Please refer to FIG. 9 , which is a schematic exploded view of a four-hole three-stack antenna structure according to a fourth embodiment of the present invention. As shown, the fourth embodiment is substantially identical to the third embodiment in that it has two third feed elements 18, 18a that pass through the first substrate. The fourth through hole 17 and the first through hole 14 are electrically connected to the first radiating metal layer 12 to form a four-hole three-stack antenna structure having four feeding elements.

However, the above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of the present creation. Therefore, the equivalent changes made by using the present specification or the content of the schema are all included in the right of the creation. Within the scope of protection, it is given to Chen Ming.

10‧‧‧Three stacked antennas

1‧‧‧first antenna

11‧‧‧ First substrate

12‧‧‧First radiant metal layer

13‧‧‧Grounded metal layer

14‧‧‧First through hole

15‧‧‧Second through hole

16‧‧‧ third through hole

17‧‧‧4th through hole

18, 18a‧‧‧ third feed element

2‧‧‧second antenna

21‧‧‧Second substrate

22‧‧‧second radiant metal layer

23‧‧‧5th through hole

24‧‧‧ sixth through hole

25‧‧‧ seventh through hole

26‧‧‧second feed element

3‧‧‧ third antenna

31‧‧‧ third matrix

32‧‧‧ Third radiant metal layer

33‧‧‧8th through hole

34‧‧‧First feed element

341‧‧‧ head

342‧‧‧ rod body

20‧‧‧ boards

1 is a schematic exploded view of a four-hole three-stack antenna structure according to a first embodiment of the present invention;

2 is a schematic diagram of a four-hole three-stack antenna structure combination according to a first embodiment of the present invention;

3 is a bottom plan view showing a four-hole three-stack antenna structure of the first embodiment of the present invention;

Figure 4 is a schematic rear view of the first substrate of the present invention;

Figure 5 is a side cross-sectional view showing the structure of a four-hole three-stack antenna of the first embodiment of the present invention;

FIG. 6 is a schematic diagram showing the electrical connection of the four-hole three-stack antenna structure of the first embodiment of the present invention and the circuit board of the electronic device;

FIG. 7 is a schematic exploded view showing the structure of a four-hole three-stack antenna according to a second embodiment of the present invention; FIG.

FIG. 8 is a schematic exploded view showing the structure of a four-hole three-stack antenna according to a third embodiment of the present invention; FIG.

FIG. 9 is an exploded perspective view showing the structure of a four-hole three-stack antenna according to a fourth embodiment of the present invention.

Claims (20)

A four-hole three-stack antenna structure electrically connected to a circuit board of an electronic device, comprising: a first antenna having a first substrate thereon, the surface of the first substrate having a first radiating metal a first metal via, a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the second through hole a hole, the third through hole and the fourth through hole penetrating the first base body, the first radiating metal layer and the grounding metal layer; a second antenna having a second base body thereon, the second base system Disposed on a surface of the first radiant metal layer of the first substrate; further comprising a second radiant metal layer on the surface of the second substrate, the second substrate being provided with the second substrate and the second radiant metal a fifth through hole, a sixth through hole and a seventh through hole, wherein the fifth through hole, the sixth through hole and the seventh through hole respectively correspond to the second through hole of the first base, The third through hole and the fourth through hole; a third antenna having a third base body thereon, the third base And a third radiant metal layer disposed on the surface of the third substrate; the third substrate is provided with the third substrate and the third portion An eighth through hole of the radiant metal layer, the eighth through hole corresponding to the sixth through hole of the second base and the third through hole of the first base; and the third antenna further includes a first feed element The first feeding element passes through the eighth through hole of the third base body, the sixth through hole of the second base body, and the third through hole of the first base body to the outside of the bottom surface of the first base body; The first feeding element is electrically connected to the third radiating metal layer when passing through the eighth through hole, and is coupled to the second radiating metal layer when the first feeding element passes through the second base. Forming a coupling connection with the first radiating metal layer on the first substrate when the first feeding element passes through the third through hole, and not when the first feeding element passes outside the bottom surface of the first substrate 11 The grounded metal layers are electrically connected to form a single-fed, four-hole, three-stack antenna structure. The four-hole three-stack antenna structure according to claim 1, wherein the first feed element has a T shape, and the first feed element has a head, and the head extends a rod. The four-hole three-stack antenna structure according to claim 1, wherein the second substrate has an area smaller than an area of the first radiating metal layer, and the second substrate is disposed on the first radiating metal layer. The surface of the first radiant metal is exposed. The four-hole three-stack antenna structure according to claim 1, wherein the third substrate has an area smaller than an area of the second radiating metal layer, and the third substrate is disposed on the second radiating metal layer. The surface of the second radiant metal is exposed. The four-hole three-stack antenna structure according to claim 1, wherein the first substrate, the second substrate, and the third substrate are flat plate-like bodies or blocks made of a ceramic dielectric material. body. A four-hole three-stack antenna structure electrically connected to a circuit board of an electronic device, comprising: a first antenna having a first substrate thereon, the surface of the first substrate having a first radiating metal a first metal via, a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the second through hole a hole, the third through hole and the fourth through hole penetrating the first base body, the first radiating metal layer and the grounding metal layer; a second antenna having a second base body thereon, the second base system Disposed on a surface of the first radiant metal layer of the first substrate; further comprising a second radiant metal layer on the surface of the second substrate, the second substrate being provided with the second substrate and the second radiant metal a fifth through hole, a sixth through hole and a seventh through hole, wherein the fifth through hole, the sixth through hole and the seventh through hole respectively correspond to the second through hole of the first base, The third through hole and the fourth through hole; further, the second antenna includes a second feeding element, the first The feeding element is electrically connected to the second radiating metal layer through the fifth through hole, and then passes through the second through hole of the first base; a third antenna has a third base, the third The base system is disposed on the surface of the second radiant metal layer of the second substrate; and the third substrate has a third radiant metal layer on the surface of the third substrate, the third substrate is provided with the third substrate and the third substrate An eighth through hole of the third radiating metal layer, the eighth through hole corresponding to the sixth through hole of the second base and the third through hole of the first base; and the third antenna further includes a first feed The first feeding element passes through the eighth through hole of the third substrate, the sixth through hole of the second substrate, and the third through hole of the first substrate to the outside of the bottom surface of the first substrate; The second feeding element is electrically connected to the second radiating metal layer through the fifth through hole of the second substrate, and is coupled to the first radiating metal layer through the second through hole of the first substrate. The first feeding element is electrically connected to the third radiating metal layer when passing through the eighth through hole, where Forming a coupling connection with the second radiant metal layer as the feed element passes through the second substrate, and forming a first radiant metal layer on the first substrate when the first feed element passes through the third via The coupling connection is not electrically connected to the ground metal layer when the second feed element and the first feed element pass outside the bottom surface of the first substrate to form a two-feed three-layer stacked antenna structure. The four-hole three-stack antenna structure according to claim 6, wherein the first feed element has a T shape, and the first feed element has a head, and the head extends a rod. The four-hole three-stack antenna structure according to claim 6, wherein the second substrate has an area smaller than an area of the first radiating metal layer, and the second substrate is disposed on the first radiating metal layer. The surface of the first radiant metal is exposed. The four-hole three-stack antenna structure according to claim 6, wherein the third substrate has an area smaller than an area of the second radiating metal layer, and the third substrate is disposed on the second radiating metal layer. The surface of the second radiant metal is exposed. The four-hole three-stack antenna structure according to claim 6, wherein the first substrate, the second substrate, and the third substrate are flat plate-like bodies or blocks made of a ceramic dielectric material. body. A four-hole three-stack antenna structure electrically connected to a circuit board of an electronic device, comprising: a first antenna having a first substrate thereon, the surface of the first substrate having a first radiating metal a first metal via, a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the second through hole a hole, the third through hole and the fourth through hole penetrating the first base body, the first radiating metal layer and the grounding metal layer; further, the first antenna includes a third feeding element, the third feeding An element is electrically connected to the first radiating metal layer through the fourth through hole; a second antenna has a second base thereon, and the second base system has a first radiating metal disposed on the first base a second radiant metal layer on the surface of the second substrate; the second substrate is provided with a fifth through hole and a sixth through the second substrate and the second radiant metal layer a through hole and a seventh through hole, the fifth through hole, the sixth through hole and the seventh through hole respectively The second through hole, the third through hole and the fourth through hole of the first base; the second antenna further includes a second feed element, the second feed element passing through the fifth through hole And a second via hole electrically connected to the second radiating metal layer; a surface of the second radiant metal layer; and a third radiant metal layer on the surface of the third substrate, the third substrate is provided with an eighth through hole penetrating the third substrate and the third radiant metal layer The eighth through hole corresponds to the sixth through hole of the second base and the third through hole of the first base; and the third antenna further includes a first feed element, the first feed element passes through The eighth through hole of the third base body, the sixth through hole of the second base body, and the third through hole of the first base body are outside the bottom surface of the first base body; wherein the third feed element passes through the a fourth through hole of a base is electrically connected to the first radiating metal layer, and the second feeding element is passed through the second base The fifth through hole is electrically connected to the second radiating metal layer, and the second through hole passing through the first base is coupled to the first radiating metal layer, and the first feeding element passes through the eighth through hole. Electrically coupled to the third radiant metal layer, and coupled to the second radiant metal layer when the first feed element passes through the second substrate, and the third feed element passes through the third pass Forming a coupling connection with the first radiant metal layer on the first substrate, and not when the third feed element, the second feed element, and the first feed element pass outside the bottom surface of the first substrate The grounded metal layers are electrically connected to form a three-fed, four-hole, three-stack antenna structure. The four-hole three-stack antenna structure according to claim 11, wherein the first feeding element has a T shape, and the first feeding element has a head, and the head extends a rod. The four-hole three-stack antenna structure according to claim 11, wherein the second substrate has an area smaller than an area of the first radiating metal layer, and the second substrate is disposed on the first radiating metal layer. The surface of the first radiant metal is exposed. The four-hole three-stack antenna structure according to claim 11, wherein the third substrate has an area smaller than an area of the second radiating metal layer, and the third substrate is disposed on the second radiating metal layer. The surface of the second radiant metal is exposed. The four-hole three-stack antenna structure according to claim 11, wherein the first base body, the second base body and the third base body are flat plate-shaped bodies or blocks made of a ceramic dielectric material. body. A four-hole three-stack antenna structure electrically connected to a circuit board of an electronic device, comprising: a first antenna having a first substrate thereon, the surface of the first substrate having a first radiating metal a first metal via, a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the second through hole a hole, the third through hole and the fourth through hole penetrating the first base body, the first radiating metal layer and the grounding metal layer; further, the first antenna includes two third feeding elements, the second and third through holes The feeding element is electrically connected to the first radiating metal layer through the fourth through hole and the first through hole respectively; a second antenna has a second substrate thereon, and the second base system is configured to a surface of the first radiant metal layer of the first substrate; a second radiant metal layer on the surface of the second substrate, the second substrate being provided with the second substrate and the second radiant metal layer a fifth through hole, a sixth through hole and a seventh through hole, the fifth through hole, the sixth through hole And the seventh through hole respectively corresponding to the second through hole, the third through hole and the fourth through hole of the first base; the second antenna further comprises a second feeding element, the second feeding An element is electrically connected to the second radiating metal layer through the fifth through hole, and then passes through the second through hole of the first substrate; a third antenna has a third substrate thereon, and the third base system And a third radiation metal layer disposed on the surface of the third substrate; the third substrate is provided with the third substrate and the third radiation An eighth through hole of the metal layer, the eighth through hole corresponding to the sixth through hole of the second base and the third through hole of the first base; and the third antenna further includes a first feed element The first feeding element passes through the eighth through hole of the third base body, the sixth through hole of the second base body, and the third through hole of the first base body to the outside of the bottom surface of the first base body; wherein the two The third feeding element is electrically connected to the first through hole and the fourth through hole of the first base and the first radiating metal layer Connecting, the second feeding element is electrically connected to the second radiating metal layer through the fifth through hole of the second substrate, and then formed through the second through hole of the first substrate and the first radiating metal layer Coupling, the first feeding element is electrically connected to the third radiating metal layer when passing through the eighth through hole, and forms with the second radiating metal layer when the first feeding element passes through the second through hole a coupling connection, when the first feeding element passes through the third through hole, forming a coupling connection with the first radiating metal layer on the first substrate, and the second feeding element and the second feeding element The first feed element is not electrically connected to the ground metal layer when passing through the outside of the bottom surface of the first substrate to form a four-input four-hole three-stack antenna structure. The four-hole three-stack antenna structure according to claim 16, wherein the first feeding element has a T shape, and the first feeding element has a head, and the head extends a rod. The four-hole three-stack antenna structure according to claim 16, wherein the second substrate has an area smaller than an area of the first radiating metal layer, and the second substrate is disposed on the first radiating metal layer. The surface of the first radiant metal is exposed. The four-hole three-stack antenna structure according to claim 16, wherein the third substrate has an area smaller than an area of the second radiating metal layer, and the third substrate is disposed on the second radiating metal layer. The surface of the second radiant metal is exposed. The four-hole three-stack antenna structure according to claim 16, wherein the first base body, the second base body and the third base body are flat plate-shaped bodies or blocks made of ceramic dielectric material. body.